jbd2_journal_init_journal_head_cache() only be called once,
so add __init annotation for it and do some code cleanup.
Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxx>
---
fs/jbd2/journal.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 49797854ccb8..43399ad423d0 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -2371,22 +2371,19 @@ static struct kmem_cache *jbd2_journal_head_cache;
static atomic_t nr_journal_heads = ATOMIC_INIT(0);
#endif
-static int jbd2_journal_init_journal_head_cache(void)
+static int __init jbd2_journal_init_journal_head_cache(void)
{
- int retval;
-
J_ASSERT(jbd2_journal_head_cache == NULL);
jbd2_journal_head_cache = kmem_cache_create("jbd2_journal_head",
sizeof(struct journal_head),
0, /* offset */
SLAB_TEMPORARY | SLAB_TYPESAFE_BY_RCU,
NULL); /* ctor */
- retval = 0;
if (!jbd2_journal_head_cache) {
- retval = -ENOMEM;
printk(KERN_EMERG "JBD2: no memory for journal_head cache\n");
+ return -ENOMEM;
}
- return retval;
+ return 0;
}
static void jbd2_journal_destroy_journal_head_cache(void)
--
2.20.1
